Correlations

Tracking Outsourcing's Negative Impact on Wages

Researchers have long suspected outsourcing is linked to a decline in pay, but it’s hard to prove. A recent study from the University of California at Berkeley and Simon Fraser University in Vancouver used the U.S. Department of Labor’s employment database to study outsourcing at American airports. The study, funded by the Service Employees International Union, found outsourced workers tend to make less than direct hires in the same job.

Glassman is a writer and data journalist for Bloomberg Businessweek in New York.